At IFA 2012, Lenovo expanded its IdeaTab lineup with three new, Android 4.0 Ice Cream Sandwich-powered tablets: the 10-inch IdeaTab S2110, the 9-inch A2109, and the 7-inch A2107. And each of them uses a different processor, from Qualcomm 8060A, to Cortex A9, to NVIDIA Tegra 3. Here's our quick hands-on with them.